/Engine/Source/Runtime/PakFile/Public/IPlatformFilePak.h
bool IterateDirectoryInternal ( const TCHAR * Directory, [TUniqueFunction](API\Runtime\Core\Templates\TUniqueFunction)< bool(const [FString](API\Runtime\Core\Containers\FString) &, const [FString](API\Runtime\Core\Containers\FString) &, bool, [FPakFile](API\Runtime\PakFile\FPakFile) &)> & VisitFunction, bool bRecursive, [TSet](API\Runtime\Core\Containers\TSet)< [FString](API\Runtime\Core\Containers\FString) > & FilesVisitedInPak )